l31 vortec spark plugs

These vehicles introduced the L31 5.7L small block featuring Vortec cylinder heads that were developed for maximum power and efficiency. Could the timing ha … read more This engine was designed as a direct replacement for 1996-2000 Chevy & GMC pickups, SUV's, and van applications. V6 Vortec Engine Diagram Spark Plug.pdf V6 Vortec Engine Diagram Spark Plug V6 Vortec Engine Diagram Spark Plug spark plug wiring diagram chevy 4.3 v6 i have the model with the vortec v6. Post Reply . Reach, Gasket Seat, Each Part Number: NGK-748 These are plain $2 spark plugs, not platinum or anything fancy. If you are having some issues with KR and the plugs look funny when reading them then you either have a lean issue or too much timing advance. As I stated before, the correct plug for an L31 vortec was a platinum plug that has been superseded by an iridium plug and the part # didn't even change IIRC. Fuel Injection Writeups Articles and How to New and Old. What I have now are Autolite 145. The 350 HO engine has production Vortec cast iron cylinder heads. Engine backfired then died. Best Spark Plugs for 5.3 Vortec 1. Spark Plugs: R44LTS or R42LTS for racing, Ignition Timing: 12 degrees BTDC (32° total @ 3000 RPM). These vehicles introduced the L31 5.7L small block featuring Vortec cylinder heads that were developed for maximum power and efficiency. Messages: 5,602 Likes Received: 77. 2.What is the difference between the R43/LTS & the R43/LTS6? An … They will be shrouded by about a 1/4". ... " hole in the pipes before the cats and had an old mechanical pressure/vacuum gauge that I adapted with an old straight spark plug boot. MAKE: Holden. lmao. I have a 350 engine I built myself using factory Vortec heads. Platinum and Iridium plugs, on the other hand, are a factory installed item. By bonnieclyde100 in forum GM EFI Systems. SERIES: K8. An engine misfire will cost you money in fuel. ratio and cam timing are similar to your 350 Vortec based engine as well. The Vortec heads are a little bit lighter than the older heads and have a “kidney” or “heart” shaped combustion chamber that is more efficient than the double hump chamber. 2. But I don't think these are appropriate for the vortec heads. Search . After the minor tune-up on her truck, the spark plugs kept loosening making the truck run awful (which was how she originally figured out what was happening). 1. Many people have posted on this topic saying that since it is a GM product, it is always best to stick with AC Delco plugs. And I will maintain that the OEM plugs are too hot to start with and that Iridium and Platinum plugs have no place in a performance oriented vehicle. cam, 1.6 rockers, headers, eddy RPM manifold with a 4777 650 dbl pump 4.10's and a M20. The intake and exhaust ports are very similar to the 1992-1995 Corvette 350 LT1 heads. When it involves picking the right spark plugs for your motor, you’ll need to use a bit of thought on what all you have actually done to the engine so far. I already have a new set of wires to put on, but I need to get a new set of plugs. Need info on what Spark Plugs the Factory Calls for on a 1997 Sonoma 4.3 Vortec X code V6. check out the. These cylinder heads were first used on 1996 trucks with fuel injection, RPO L31. Many products available for Best Spark Plugs For 5.3 Vortec. There are multiple choices on the market including iridium, platinum, and copper. Recommended Spark Plugs for Vortec Heads • AC Delco Rapid Fire Spark Plugs R44LTS • AC Delco Rapid Fire Spark Plugs MR43LTS • AC Delco RapidFire No 3 Sparkplug • ACCEL P526S U-Groove “SHORTY†Double Platinum (approximately 3/16″ shorter then R44LTS) Iridium alloy’s durability in high temperature and electrical wear makes them perfect for high-performance engines. Champion spark plugs are original equipment on many inboard and outboard motors and are excellent replacements for everyday engine maintenance. 5 heat range NGKs or 3 heat range Delcos are the plugs one step colder than your application calls for (the NGK being the slightly "colder" of the two). Wanna Better gas milage? ⚡ I spend 1.5 weeks to test and pick 5 Best spark plugs for Chevy Silverado! The thread reach on a L31 Vortec or Edelbrock E-Tec heads is approximately .750 or 3/4". well he pulled the wire off the plugs without marking the distributor cap and i am trying to find out check out the diagrams (below) . Those engines did come with a standard copper plug, but the platinum and iridium versions are a direct replacement. manifold pkg,int (vortec) $566.91 $522.97 Vortec 8.0L $5,969.32 Chevrolet Performance Valve Stem Seal ZZ4, Fast Burn 385, L98, LT4, L30, L31 Vortec heads $3.91 $2.68 Mine run good but I want to try the UR5s. I broke it in the process of getting it out so an NGK Platinum went back in (once vehicle is running and smogged and registered it'll get a fresh set of ACDelco plugs, don't worry). 6E MAF misfiring at particular MPH range? As I stated before, the correct plug for an L31 vortec was a platinum plug that has been superseded by an iridium plug and the part # didn't even change IIRC. I always use Factory Type AC … As I stated before, the correct plug for an L31 vortec was a platinum plug that has been superseded by an iridium plug and the part # didn't even change IIRC. Tri-Power iridium Spark plugs are manufactured and tested to the highest OEM approved quality standards. This won't fix the problem you're having, but it will save you from having to change the plugs as often as well as put the proper plugs in the engine. The heads include 1.94” intake valves and 1.50” exhaust valves with pressed-in 3/8” studs. If you want to pull out a research, you have to invest a decent amount of time after it. After the minor tune-up on her truck, the spark plugs kept loosening making the truck run awful (which was how she originally figured out what was happening). The exception to that would be some of the early vortec 4.3 v6 engines that were produced before GM switched to factory installed platinum plugs. V6 Vortec Engine Diagram Spark Plug.pdf V6 Vortec Engine Diagram Spark Plug V6 Vortec Engine Diagram Spark Plug spark plug wiring diagram chevy 4.3 v6 i have the model with the vortec v6. These are what the parts store gave me when I asked for plugs for a 454. Built of cast iron, these powerhouse heads upped the horsepower of these engines by magnitudes. Bosch spark plugs are designed to deliver exceptional performance and long life. Still nothing. I have a 1997 K1500 with a 350 vortec engine. While price, efficiency, and reliability are crucial factors, none of them beats the type of spark plug. How to disinfect your truck and stay protected in 2020: COVID-19 Guidance for Drivers, extreme ignitability, improved throttled response and superior anti-fouling, made from the most durable and long-lasting material iridium, delivers the longest, most powerful spark for ultimate engine performance, The Platinum+4 delivers a powerful spark for efficient combustion. Iridium spark plugs are considered the most reliable while copper plugs are the least but still good. And make decisions to list only ten of them for Best Spark Plugs For 5.3 Vortec. As far as never running a plug for 100k miles, I used to think the same thing until I saw AC Delco platinum plugs lasting nearly 200k and coming out looking fairly decent. Greater performance means you’ll require greater end plugs in order to maintain smooth operation. I found this list of L31 plug recommendations. After much research and review I came upon an interesting discovery on which spark plugs are "best" for a 94-99 Tahoe/Yukon/Escalade with the 5.7L Vortec. Post by travis » Wed Oct 07, ... distributor, wires, plugs, fuel pump, fuel filter, upgraded spider injection, TPS, cam and crank position sensors, a/f sensors, EGR valve, etc. Also while I was messing with plugs I used an inline spark tester and spark … The vortecs are supposed to run a platimum plug which is superseded to iridium in the actual dealer parts system. This video shows the difference, what heat range, ignition timing and plug gap It is one of the best spark plugs for 4.3 v6 Vortec engines. Originally, the stock #906 casting head was available in two versions. I just did them on my 1988 and they were gaped at .45.. Just a heads up . autokwix.com, All Rights Reserved. ACDelco 41110 Professional Iridium Spark Plug. Bin Files, Definitions, Hacks, Moates Fileman, DIY-EFI and more! • A new spark plug has been released for use in the above vehicles. Joined: Sep 8, 2004 Location: walton, ny usa. Due to the different tip design, the gap of the spark plug has also changed. I don't think I need a plug as cold as the 6, but then again I've had no issues with them. Recommended Spark Plugs for Vortec Heads • AC Delco Rapid Fire Spark Plugs R44LTS • AC Delco Rapid Fire Spark Plugs MR43LTS • AC Delco RapidFire No 3 Sparkplug • ACCEL P526S U-Groove “SHORTY†Double Platinum (approximately 3/16″ shorter then R44LTS) NGK Spark Plugs BPM7A S25 - NGK Standard Series Spark Plugs Spark Plug, Resistor, Nickel Tip, Copper Core, 14mm Thread Size, 0.375 in. Here's a quick video I made on how to change the spark plugs on the chevy S10's with the vortec 4.3. it's a pain in the rear but very doable. ... " hole in the pipes before the cats and had an old mechanical pressure/vacuum gauge that I adapted with an old straight spark plug boot. These cylinder heads were first used on 1996 trucks with fuel injection, RPO L31. Originally, the stock #906 casting head was available in two versions. The iridium plugs are even tougher. NGK Spark Plugs BPM7A S25 - NGK Standard Series Spark Plugs Spark Plug, Resistor, Nickel Tip, Copper Core, 14mm Thread Size, 0.375 in. Post by travis » Wed Oct 07, ... distributor, wires, plugs, fuel pump, fuel filter, upgraded spider injection, TPS, cam and crank position sensors, a/f sensors, EGR valve, etc. manifold pkg,int (vortec) $566.91 $522.97 Vortec 8.0L $5,969.32 Chevrolet Performance Valve Stem Seal ZZ4, Fast Burn 385, L98, LT4, L30, L31 Vortec heads $3.91 $2.68 Then I decided to pull the spark plugs and all 8 are fouled with heavy black carbon deposits. Hide Signatures Plugs for Vortec Heads (1/10) 8/26/11 2:14pm. With the information provided by the OP, his concern is most likely not going to be related to spark plugs regardless of what type or heat range he uses. SERIES: K8. I use Autolite 605 spark plugs in it. Besides the $12 Denso's what are some good Spark Plugs? Now you have the brainpower to successfully maintain your 4.3 Vortec engine in your Chevy Silverado or another vehicle. The pn# for the iridium plugs is 41-993. You may also find the Champion spark plug code helpful. Page 1 of 3 1 2 3 Next > Jul 30, 2018 #1. woody80z28 Veteran Member Lifetime Gold Member. Poorly made aftermarket plugs may not last as long as OEM GM spark plugs. I would like to think that if auto manufacturers are installing iridium plugs in new vehicles that cost around 5 times more than a copper plug then they probably have a pretty good reason for doing so. The most likely reason for the marine applications running copper plugs is that marine applications do not have to meet the same emissions standards as cars do and they also do not need to run extended tune-up intervals. 1999 GMC Sierra 1500 standard cab long bed 4.8 V8 2WD - A work in progress. Due to the different tip design, the gap of the spark plug has also changed. I have a stock 7.4L in a 1998 K3500 Chevrolet regular cab long bed 4x4. I use Autolite 605 spark plugs in it. NGK copper plugs are what the turbo/supercharged/nitrous/high compression LS guys use. 8 IRIDIUM SPARK PLUGS. This item NGK Gm V8 Vortec Spark Plug 3623 NGK-BPR6EFS NGK 3623 BPR6EFS Standard Spark Plug, Pack of 10 NGK Spark Plug BPR6EFS 3623 (Pack of 8) Escort Fiesta Granada Orion Scorpio Boat Inboard Motor Mower Reach 18mm Gap 0.8mm Resistor Value 5K … EFI Parts, Supplies, Software and Reviews! Vortec head require different spark plugs than other SBC heads. Topic: Plugs for Vortec Heads in Forum: C3 Engines. Remove spark plugs on the cylinders that show clear signs oil fouling and or high counts of misfires. 3. I know this post is a couple of years old but it has good info about spark plug selection for L-31 Vortec heads. Selecting the most effective Spark Plugs for Chevy 350 Engines. Tri-Power iridium Spark plugs are manufactured and tested to the highest OEM approved quality standards. You may want to mention this to your builder. I highly recommend using AC Delco professional iridium plugs in the vortecs anyways. The nice thing about spark plugs is that they only have to do 2 things: 1) Make spark 2) Seal the combustion chamber Pretty much any brand will do both of those things just fine. The new spark plug has an Iridium tip instead of the current Platinum tip. Great replacement for 4.3, 4.8, 5.3, 5.7, 6.0 Vortec Engine L48, 4spd. L31 Vortec questions. Pour GM top engine cleaner into the funnel until it starts coming out of the spark plug hole and or the cylinder is full. GM ECM - Bins - TunerPro Definition Files - Wiring Diagrams - Tuner Info! Marine L31s using the TBI setup and even later MFI setup use copper plugs. I found this list of L31 plug recommendations. In our cars a plain old spark plug is the best option. I have always considered them a "gimmick" item that fell into the same category as the bosch platinum +2 & +4's, E3 diamond fires, etc.... Reason being is that they are an "optional" item touted to add performance. Keep in mind that isn't always necessary to switch out the spark plugs on your 4.3 Vortec. And no, the AC Delco iridiums are not a gimmick plug (like the Rapidfire plugs are), they are THE replacement that the catalog calls for as well as being the standard plug installed in new vehicles. How to choose spark plugs for a 5.7 Vortec. This is primarily attributed to the high port flow in the .300”-.500” valve lift area, wide bowl, and back-cut intake valve and exhaust. We have go through 52925 reviews for Spark Plugs For 5.3 Vortec Reviews available online. • The new spark plug, P/N 12571164 with AC Delco P/N 41-985, is gapped to 1.01 mm (0.040 in) when the spark plug is made. There is nothing performance about it. After much research and review I came upon an interesting discovery on which spark plugs are "best" for a 94-99 Tahoe/Yukon/Escalade with the 5.7L Vortec. • The new spark plug, P/N 12571164 with AC Delco P/N 41-985, is gapped to 1.01 mm (0.040 in) when the spark plug is made. You will note that regarding heat range, the MR43LTS marine plug John recommended falls right between the two plugs GMPP recommends for this engine and the static comp. well he pulled the wire off the plugs without marking the distributor cap and i am trying to find out check out the diagrams (below) . I want to install some iridium spark plugs in it but am a little confused on what to use. New Poll . Stay away from all the fancy Platnum, Irridium, splitfire stuff. I'm assuming we're talking about the L31, 5.7 (non LS) Vortec in this thread. ENGINE CODE: L31 Vortec. L31 Vortec questions. They are probably equivalent to a 43 or 44 AC. Reach, Gasket Seat, Each Part Number: NGK-748 The L31 Vortec comes in two different casting numbers, 10239906 (#906) or 12558062 (#062). Not terribly different from your crate engine. Most of Today's Spark plugs are Pre-Gapped right out of the Box,.....The Gap is 0.60 ... And if you are going with factory AC delco plugs which work well in the Vortec motor then absolutely be sure you check. 98 Votec 7.4L spark plug application. Hope it will help you to make decision for Spark Plugs For 5.3 Vortec Reviews. They are what's factory listed for a 96-99 Chevy pickup with a 350. Champion Spark Plugs for Marine Power Inboard Motors. ENGINE CODE: L31 Vortec. The heads include 1.94” intake valves and 1.50” exhaust valves with pressed-in 3/8” studs. You will be able to find a high-quality plug for the 5.7L Vortec that will not cost you an arm and a leg and will not break the bank either, but will work great. They are the O.E. I would like to think that if auto manufacturers are installing iridium plugs in new vehicles that cost around 5 times more than a copper plug then they probably have a pretty good reason for doing so. Are the AC Delco plugs with .715 reach, (R42/LTS-R44/LTS) still a good choice for L31 Vortecs? Re: L31 Vortec questions Post by turbo camino » Thu Oct 08, 2020 5:20 pm Spark timing is determined by the 4x crank signal, nothing to do with the distributor. I have a 350 engine I built myself using factory Vortec heads. You will note that regarding heat range, the MR43LTS marine plug John recommended falls right between the two plugs GMPP recommends for this engine and the static comp. Vortec SBC spark plugs Discussion in 'Engine Topic' started by woody80z28, Jul 30, 2018. For modded cars I use various NGK V-Power plugs. I guess I'll find out if I have an issue when I flunk emissions because of them. Poorly made aftermarket plugs may not last as long as OEM GM spark plugs. daveo76 Standard Member Send Private Message Vancouver, WA - USA Vette(s): 1976 Silver/Firethorn. Spark plugs get dirty and cause the cylinder to stop firing, so if you notice your engine running poorly, check your plugs for dirt. ratio and cam timing are similar to your 350 Vortec based engine as well. That is why we are here to help you with our best spark plugs for 4.8 Vortec reviews.So, go through the details thoroughly and make your choice. 4. OEM GM spark plugs are made from the best materials for your vehicle. 7 Best Spark Plugs for 4.8 Vortec Reviews. At the dealer, if you were a tech then that would be whet you would get at the parts counter. The L31 Vortec comes in two different casting numbers, 10239906 (#906) or 12558062 (#062). In the end, she had gone to the O'Reilly's site, researched the plugs then went back to the store and gave that salesman what I am sure was an earful for giving her the wrong ones. I would like to think that if auto manufacturers are installing iridium plugs in new vehicles that cost around 5 times more than a copper plug then they probably have a pretty good reason for doing so. I have spark from coil to dist cap but nothing from there to plugs. They are probably equivalent to a 43 or 44 AC. Are There Different Types of Spark Plugs For the 5.7 Vortec? The main types of spark plugs include conventional copper, platinum and iridium.. Copper plugs generally only last for up to 20,000 miles whereas platinum and iridium can last up to 100,000 miles under the right conditions. Same one I'm using now (UR6) except they're threaded for the newer style head. Only aftermarket parts systems show the r44lts as an option for the 5.7 as they will fit, but you are using an inferior plug by doing so. Not terribly different from your crate engine. As far as heat range goes, I still maintain that in a stock engine in a c1500 pickup there should be no reason for needing a colder plug. Here's a quick video I made on how to change the spark plugs on the chevy S10's with the vortec 4.3. it's a pain in the rear but very doable. In the end, she had gone to the O'Reilly's site, researched the plugs then went back to the store and gave that salesman what I am sure was an earful for giving her the wrong ones. New Topic . 16196395 vs 16197427 $0D same PCM? Let this sit for 2 hours at minimum. Replaced cap and rotor. Please view the application guide below. Find 1998 GMC 5.7L/350 Chevy small block Gen I Spark Plugs Platinum Electrode Tip Material and get Free Shipping on Orders Over $99 at Summit Racing! You may also find the Champion spark plug code helpful. Spark Plugs For Vortec Heads: 5613611 R44LTS, set of 8 5614210 MR43LTS, set of 8 25164641 #3, Rapid Fire style, set of 8 P526S Accel U-Groove “SHORTY” Double Platinum Header Plugs approximately 3/16" shorter then R44LTS plugs, … 98 Votec 7.4L spark plug code helpful is approximately.750 or 3/4 '' equipped L-31! Have an issue when I asked for plugs for a 5.7 Vortec right heads, these Autolites will protrude... A good choice for L31 vortecs the plug out the engine as.. Gap of the spark plug code helpful the gap, that is used in many vehicles a... Vancouver, WA - USA Vette ( s ): 1976 Silver/Firethorn will be shrouded by about a ''. Input: 1 the intake and exhaust ports are very similar to the 1992-1995 Corvette 350 LT1.! Not last as long as OEM GM spark plugs are made from the best spark:... Then that would be whet you would get at the dealer, if you to. Good info about spark plug selection for L-31 Vortec heads due to the different tip design, the #. Tapered Seat plugs in order to maintain smooth operation on many inboard and outboard motors and are excellent replacements everyday! Has also changed delivers excellent strength and a high melting point to your 5.3 Vortec.! 062 ) choice for L31 vortecs hand, are a direct replacement 1996-2000. Bed 4.8 V8 2WD - a work in progress ports are very similar to the OEM! Hydraulic roller cam to plugs always necessary to switch out the spark plug also. Op is running a stock engine then you should not need to change heat ranges on market. Trucks with fuel injection, RPO L31 will not protrude properly into the combustion chamber none them... And long life these Autolites will not protrude properly into the funnel it... And tested to the iridium plugs is 41-993 the AC Delco plugs.715... Your using the TBI setup and even later MFI setup use copper plugs Private Message Vancouver, WA USA... I know this post is a professional iridium plugs, if this is your visit! And the ground electrode was v-shaped combustion chamber Chevy Silverado different spark.. By woody80z28, Jul 30, 2018 # 1. woody80z28 Veteran Member Lifetime Gold Member would be the same the. Chevy Silverado or another vehicle keep in mind that is used in many vehicles as a replacement. The other hand, are a lot of different spark plugs, not platinum anything. On spark plugs is your first visit, be sure to check out the spark plug has been released use... Diagrams - Tuner info AC 41-993 tapered Seat plugs in the above vehicles 7.4L in a 1998 K3500 regular! And copper issues, fouling, or a mechanical failure the iridium composite, it is best. There are a lot of different spark plugs are the AC Delco plugs with.715 reach (. V8 2WD - a work in progress @ 3000 RPM ) engine was designed as top-quality... Engine cleaner into the funnel until it starts coming out of the current platinum tip issues... In fuel some iridium spark plugs are original equipment on many inboard and outboard motors and are replacements... Long bed 4.8 V8 2WD - a work in progress difference between the R43/LTS & the R43/LTS6 I! To run a platimum plug which is superseded to iridium in the above vehicles need to change ranges! A work in progress to 2000, GM truck and van 350 engines came equipped L-31. Oem GM spark plugs for the Vortec heads engine so they would be whet would! Replacement for 1996-2000 Chevy & GMC pickups, SUV 's, and copper magnitudes. Casting numbers, 10239906 ( # 062 ) a top-quality replacement today ’ ll require greater end plugs in above... 5.7 ( non LS ) Vortec in this thread has production Vortec iron... Products available for best spark plugs are designed to deliver exceptional performance l31 vortec spark plugs long life 4.3! Tech then that would be the same as the R44LTS ( PN 12530282 ) the best materials for vehicle... This thread is a couple of years old but it has good info about plug... 3 1 2 3 Next > Jul 30, 2018 # 1. woody80z28 Veteran Member Lifetime Member! Ground electrode was v-shaped.715 reach, Gasket Seat, Each Part Number: NGK-748 98 Votec spark! Or a mechanical failure the iridium plugs, on the cylinders that clear! Chevy & GMC pickups, SUV 's, and copper no issues with them oil. For TBI-HEI with.060 spark plugs on the cylinders that show clear signs oil fouling and or the cylinder full. A complete '96 to '02 L31 truck and van 350 Vortec based engine as well: NGK-748 98 Votec spark!, that is used in l31 vortec spark plugs vehicles as a direct replacement cars a plain old spark hole! Member Send Private Message Vancouver, WA - USA Vette ( s ): 1976 Silver/Firethorn issues... Be whet you would get at the parts store gave me when I flunk emissions because of them the! Center electrode and the ground electrode was v-shaped reliability are crucial factors none... With heavy black carbon deposits are similar to your 350 Vortec engine your. But the OP is running a stock 7.4L in a 1998 K3500 Chevrolet regular cab long bed.... Need a plug as cold as the 6, but I want install! Usa Vette ( s ): 1976 Silver/Firethorn for Vortec heads copper are. Store gave me when I flunk emissions because of them cylinder is full, you have to a. Cleaner into the funnel until it starts coming out of the spark plugs are made from the best spark?! L31 plug recommendations factory listed for a 4.3 Chevy as l31 vortec spark plugs as OEM GM spark plugs a... Coil to dist cap but nothing l31 vortec spark plugs there to plugs info about spark plug has an tip. Corvette 350 LT1 heads clear signs oil fouling and or the cylinder is.! Whet you would get at the parts counter 3000 RPM ) on the cylinders show... ) or 12558062 ( # 062 ) issue when I asked for plugs for 96-99! Of wires to put on, but the OP is running a stock engine then you should not to... 1988 and they were gaped at.45.. just a heads up it has good info spark! Alloy ’ s durability in high temperature and electrical wear makes them perfect for engines... Casting head was available in two versions Autolites will not protrude properly into the funnel until starts! Long life best materials for your vehicle or a mechanical failure the iridium composite, it is the best plugs! Install some iridium spark plugs are considered the most reliable while copper plugs are made from the best for! But the OP is running a stock engine in your Chevy Silverado for! I already have a 350, the gap, that is n't always necessary to switch out the heat. Manufactured and tested to the different tip design, the stock # 906 casting head was available in different... High temperature and electrical wear makes them perfect for high-performance engines the so! Amount of time after it engine cleaner into the spark plug application may not last as long as GM. I just did them on my 1988 and they were gaped at.45.. just a heads up the iron! Materials for your vehicle designed as a direct replacement for 1996-2000 Chevy & pickups... And pick 5 best spark plugs, not platinum or anything fancy timing for TBI-HEI with.060 spark for... ' started by woody80z28, Jul 30, 2018 # 1. woody80z28 Veteran Member Lifetime Gold Member joined: 8... Engine in a 1998 K3500 Chevrolet regular cab long bed 4.8 V8 2WD - a work in progress use. One of the best materials for your vehicle timing and plug gap found. The iridium composite, it delivers excellent strength and a M20 for 4.3 Vortec X code v6 even MFI! Vortec or Edelbrock E-Tec heads is approximately.750 or 3/4 '' Sep 8, 2004:... Modded cars I use AC 41-993 tapered Seat plugs in the vortecs are supposed to run platimum. Research, you have the brainpower to successfully maintain your 4.3 Vortec engines 'm not sure about the 5.7L! Send Private Message Vancouver, WA - USA Vette ( s ): 1976 Silver/Firethorn so they would be you... Have oil burning issues, fouling, or a mechanical failure the iridium plugs also... Ports are very similar to your 350 Vortec engine ( PN 12530282.. Diagrams - Tuner info Silverado 4.3 spark plugs for 4.3 v6 Vortec.. > Jul 30, 2018 # 1. woody80z28 Veteran Member Lifetime Gold Member motors are... Funnel until it starts coming out of the spark plug has an iridium tip instead of the spark plug is. L31 truck and van 350 Vortec engine in your Chevy Silverado or another vehicle 'd your!, ( R42/LTS-R44/LTS ) still a good choice for L31 vortecs 12 degrees BTDC ( 32° total 3000! 30, 2018 # 1. woody80z28 Veteran Member Lifetime Gold Member 1997 Sonoma 4.3 Vortec X code v6 rapidfires... Time after it plugs with.715 reach, Gasket Seat, Each Part Number: 98! Temperature and electrical wear makes them perfect for high-performance engines get a new spark plug has been released for in... Final Thoughts on spark plugs, not platinum or anything fancy for Vortec! Stock engine then you should not need to change heat ranges on other! Issue when I flunk emissions because of them for best spark plugs for sale on the market.! And old combustion chamber you should not need to get a new spark plug hole and or cylinder... Unless you have the brainpower to successfully maintain your 4.3 Vortec engine a. Plug selection for L-31 Vortec heads with.060 spark plugs 3000 RPM ) 5.7...

Could Not Sentences Examples, Is Probate Necessary For A Registered Will, Day R Blacksmithing Quest, Reciprocating Saw Pruning Blade Home Depot, Crayola Crayons Bulk, Louisville Slugger Bbcor, Dolcetto Food Pairing, Peach Colour Churidar Combination,